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Flower and plant combination for increasing natural enemies to control pests in spring corn field and application

A technology of cornfields and flowers and plants, applied in application, flower cultivation, lawn growth, etc., can solve problems such as poor functions, achieve strong stress resistance, improve aesthetic effects, and reduce dependence

Inactive Publication Date: 2020-05-29
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural vegetal buffers are the result of natural succession and can conserve and maintain agricultural biodiversity, but their function in serving farmland production is poor

Method used

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  • Flower and plant combination for increasing natural enemies to control pests in spring corn field and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: The preferred combination of flowers and plants

[0025] In terms of mass percentage, the preferred flower and grass combination plant species include: 20% ryegrass of Poaceae, 20% of tall fescue, 10% of milk vetch of leguminous family, 10% of white clover, 6% of Artemisia chrysanthemum of Asteraceae, 4% chrysanthemum, 10% beet of Chenopodiaceae, 10% wild carrot of Umbelliferae, 10% of cabbage of Cruciferae.

Embodiment 2

[0026] Example 2: Conservation of Biodiversity in Corn Field System by Artificial Plant Buffer Zone

[0027] Three test points were selected in the intensive spring corn contiguous planting area in Hebei, and the distance between the test points was greater than 1 km. Each test site is set up in pairs of treatment plots and control plots, and the distance between the two plots is greater than 200 meters. The treatment plot refers to the cornfield with the plant buffer zone constructed on the edge of the field with the preferred combination of flowers and plants (the part of the plant buffer zone is deducted), and the control plot refers to the cornfield without any changes in the normal intensive operation. The use of herbicides and pesticides is prohibited in the test area. During the corn growing season, mechanical flukes and surface traps were used to collect arthropod specimens in the sample plots, to identify arthropod species, and to count the number of each type. Duri...

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Abstract

The invention discloses a flower and plant combination for increasing natural enemies to control pests in a spring corn field and an application. The flower and plant combination provided by the invention covers nine species of herbs belonging to six families; the number of plant species is moderate; selected plants are wide in adaptability, high in stress tolerance and easy in management and maintenance; and the morphological structure and ecological function of plants are scientifically and reasonably matched. The flower and plant combination is used for constructing an artificial plant buffer zone in the spring corn field; the habitat and reproduction filed of arthropods in a farmland system can be reconstructed, so the farmland biodiversity (species and abundance) can be increased; meanwhile, various natural enemies can be conserved to control crop pests; in addition, nitrogen fixation and carbon sequestration can be achieved to promote soil health and environmental safety; the dependence of an intensive farmland on chemical fertilizers and pesticides is obviously reduced; thus, green, highly-efficient and sustainable development of agriculture and the quality safety of agricultural products are supported; and the aesthetic effect of rural ecological landscape is improved.

Description

technical field [0001] The invention belongs to the technical field of farmland ecological enhancement, and relates to a combination of flowers and plants for increasing natural enemies to control pests in a spring corn field and its application. Background technique [0002] Corn is the main food crop in the world, and it is the third largest food crop after rice and wheat in China. Spring corn refers to the corn sown in spring. It is planted in a wide area in China. It is generally planted once a year. It has high yield and large area. It is mainly distributed in the northeast, northwest and northern parts of North China, and it is also distributed in the hilly and mountainous areas of the southwest. Corn borer is the most important pest on spring corn. It can cause damage in multiple corn growth stages, especially after corn earing, it drills and gnaws on the stalk. It is extremely harmful to corn production and seriously affects the yield and quality of corn. The rate o...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01G13/00A01G20/00A01G22/25A01G22/15A01G22/60A01B79/02
CPCA01B79/02A01G13/00A01G20/00A01G22/15A01G22/20A01G22/25A01G22/60
Inventor 张艳军赵建宁刘红梅
Owner AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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